Conduit Combination Coupling; Installation Metallic/Non-Metallic Liquidtight to EMT; Trade Size 3/4 Inch; Constructional Feature Concrete-Tight, Raintight; Material Ball Burnished Mirror Smooth Die-Cast Zinc; Size 1-3/4 Inch Dia x 1-3/4 Inch L; Standard Package 50; Approval UL 514B, UL (Canada and US), CSA; Used On EMT/Liquidtight Conduit; ROHS/TCLP Compliant; Applicable Standard Federal Specification A-A-50553, NEMA FB-1